Mariana Rodriguez Fierro, RDN, CDCES
NPI 1861361776 · Registered Dietitian · Phoenix, AZ
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariana Rodriguez Fierro, RDN, CDCES is a Registered Dietitian provider in Phoenix, AZ (NPI 1861361776).
Provider details
- NPI number
- 1861361776
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN, CDCES
- Sex
- Female
- Sole proprietor
- No
- License
- 86154635 (AZ)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-10-30
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Mariana Rodriguez Fierro's NPI number?
- Mariana Rodriguez Fierro's National Provider Identifier (NPI) is 1861361776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariana Rodriguez Fierro's specialty?
- Mariana Rodriguez Fierro is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mariana Rodriguez Fierro located?
- Mariana Rodriguez Fierro's practice location on file with NPPES is 9015 N 3rd St, Phoenix, AZ 85020-2444.
- What is Mariana Rodriguez Fierro's phone number?
- The practice phone number listed in the NPPES registry for Mariana Rodriguez Fierro is (480) 882-4545.
- Does Mariana Rodriguez Fierro accept Medicare?
- Mariana Rodriguez Fierro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariana Rodriguez Fierro's NPI active?
- Yes — Mariana Rodriguez Fierro's NPI (1861361776) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.